#155366#155366

#155366 is a dark, moderate cyan. Relative luminance 0.073; OKLCH L 41.3% C 0.068 H 223.0°. Best body text is #FFFFFF at 8.53:1 contrast (WCAG AA passes).

Color values

HEX	#155366
RGB	rgb(21, 83, 102)
HSL	hsl(194, 66%, 24%)
HSV	hsv(194, 79%, 40%)
CMYK	cmyk(79.4%, 18.6%, 0%, 60%)
CIE-LAB	lab(32.49, -12.16, -16.55)
CIE-LCH	lch(32.49, 20.54, 233.68°)
OKLab	oklab(41.3% -0.0497 -0.0463)
OKLCH	oklch(41.3% 0.068 223)
XYZ	xyz(5.7998, 7.3046, 13.6720)
Luminance	0.0731 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#155366 #662815

analogous

#156651 #155366 #152B66

triadic

#155366 #661553 #536615

tetradic

#155366 #511566 #662815 #2B6615

square

#155366 #511566 #662815 #2B6615

split-complementary

#155366 #66152B #665115

monochromatic

#051519 #0B2A33 #155366 #1F7C99 #2AA6CC

Accessibility & contrast

On white

8.53

#155366 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.46

#155366 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #155366

8.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##155366	#FFFFFF	#000000	##FFFFFF
##155366	1.00	8.53	2.46	8.53
#FFFFFF	8.53	1.00	21.00	1.00
#000000	2.46	21.00	1.00	21.00
##FFFFFF	8.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#485167

Deuteranopia (green-blind)

#3D4966

Tritanopia (blue-blind)

#005959

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #155366;
/* rgb */ color: rgb(21, 83, 102);
/* oklch */ color: oklch(41.3% 0.068 223.0);

Tailwind

colors: {
  custom: {
    50: '#608391',
    500: '#155366',
    950: '#000000',
  },
}

SCSS

$custom: #155366;
$custom-light: #608391;
$custom-dark: #000000;

JSON

{
  "hex": "#155366",
  "rgb": {
    "r": 21,
    "g": 83,
    "b": 102
  },
  "hsl": {
    "h": 194.074,
    "s": 65.854,
    "l": 24.118
  },
  "oklch": {
    "l": 0.41302,
    "c": 0.06797,
    "h": 223
  },
  "luminance": 0.07305
}

Semantic roles & 50–950 ramp

primary

#155366

secondary

#9D513A

accent

#673FE9

background

#F6F8F8

surface

#EBEFF0

border

#C6CACB

text

#050A0C

muted

#7A7C7D

Preview Lab

Preview with #155366

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →